baber/WOPTO huggingface dataset:
Patent KR-19990036801-A (KR)
Title: 액정표시장치
IPC: G02F1/133
Filed: 1998-10-02
Abstract: 본 발명은, 퍼스널컴퓨터, 워크스테이션 등에 사용되는 액정표시장치에 관한 것으로서, 영상신호선구동수단의 칩사이즈를 크게하는 일없이, 256계조등 보다 다계조의 계조전압을 생성하는 것이 가능한 액정표시장치를 제공하는 것을 목적으로 한 것이며, 그 구성에 있어서, m비트의 표시데이터에 의거하여 다계조의 영상신호전압을 각화소에 인가하는 영상신호선구동수단이, (2"+1)개의 제 1계조전압을 생성하는 제 1계조전압생성수단과, m비트의 표시데이터의 상위n비트의 비트치에 의거하여 제 1계조전압생성수단에 의해 생성된 (2"+1)개의 제 1계조전압중에서 서로 인접하는 제 1계조전압을 그 대소관계를 일정하게 유지해서 선택하는 선택수단과, 선택수단에 의해 선택된 서로 인접하는 제 1계조전압으로부터 표시데이터의 하위(m-n)비트의 비트치에 의거하여, 서로 인접하는 제 1계조전압간을 2 m-m 등분하는 2 m-n 개의 계조전압중의 하나의 계조전압을 생성해서 출력하는 제 2계조전압생성수단을 구비한 것을 특징으로 한 것이다.
Patent KR-20000025158-A (KR)
Title: Optical pickup apparatus
Inventor: JEONG SUNG YOUN
IPC: G11B7/09
Filed: 1998-10-08
Abstract: PURPOSE: An optical pickup apparatus is provided to eliminate a crosstalk component optimally by dividing and detecting a sub beam by the usage of a first and a second polarized light phase plates. CONSTITUTION: An optical pickup apparatus comprises a first polarized light phase plate(34)and a second polarized light phase plate(36). The first polarized light phase plate(34) is disposed on a light path of a light collecting optical system which irradiates beam to an optical disk. The second polarized light phase plate(36) is disposed on a light path of a light receiving optical system which detects the reflected light from the optical disk. The first polarized light phase plate is composed of at least two phase pieces which are placed so as to have a phase difference of 180 degree with adjacent phase pieces. The second polarized light phase plate is composed of at least five phase pieces which are placed so as to have a phase difference with adjacent phase pieces.
Patent KR-20000027501-A (KR)
Title: Method for manufacturing lower side leading type package
Inventor: PARK SANG WOOK
IPC: H01L23/48
Filed: 1998-10-28
Abstract: PURPOSE: A method of manufacturing lower side leading type package is provided to prevent the bonding material from being smeared into the outer lead when molding by attaching the insulation tape to the outer lead before molding. CONSTITUTION: A system comprises a semiconductor chip(1), a lead frame(2), a bonding material(3), a metal wire(4), a packaging material(5), a solder ball, a tape(20), an inner lead(21), and an outer lead(22). The semiconductor chip(1) is adhered to the inner lead(21) of the lead frame using the bonding material. The semiconductor chip and the inner wire is connected with the metal wire(4). The insulating tape(20) is attached to the bottom of the outer lead of the lead frame. After molding with the packaging material(5), the outer lead is exposed by cutting or etching the insulating tape and the outer lead is mounted on the substrate.
Patent KR-19990037515-A (KR)
Title: 반도체 기억장치
IPC: G11C29/00
Filed: 1998-10-30
Abstract: (과제) 본 발명은, 미리 준비된 최대 메모리용량의 범위에서 여러 가지의 용량을 실현하는 경우에, 용장회로를 선택하는 불량어드레스 기억회로의 재설계를 불필요하게 하고, 불량어드레스 제어회로의 구성을 간단한 것으로 할 수 있는 반도체 기억장치를 제공한다. 
     (해결수단) 본 발명에 있어서는, 메모리 블록은 소정 용량의 메모리 세그먼트(11)를 기본단위로 하여 복수개의 메모리 세그먼트(11)를 배열하고, 각 메모리 세그먼트(11)에 공통의 복수개의 데이터 입출력선을 배설하여 구성된다.  메모리 세그먼트(11)내에 불량구제용으로서 예비 메모리셀 어레이 및 예비 데이터 입출력선을 포함하는 용장회로가 설치되고, 불량어드레스를 기억하는 퓨즈 어레이(46)와 이것을 선택 제어하는 퓨즈 디코더가 설치된다.  특정수의 메모리 세그먼트(11)를 사용하여 메모리를 특화(特化)하는 경우에, 퓨즈 어레이(46)를 최대 메모리 세그먼트수의 선택에 필요로 되는 용량만큼 탑재하여 퓨즈 디코더를 간단화한다.
Patent KR-19990045207-A (KR)
Title: 광디스크 장치
IPC: G11B7/005
Filed: 1998-11-12
Abstract: 광디스크 장치는, 미러 신호에서의 에러 발생을 방지한다.  이는 재생 속도의 변화 또는 다른 종류의 광디스크 사용으로 이루어진다.  미러 회로는 미러 신호를 발생하며, 이는 바닥 신호 레벨을 기준 레벨 신호와 비교함으로써 이루어진다.  바닥 신호는 광디스크를 광학적으로 스캔하여 얻어진 반사 신호로부터 검출된다.  기준 레벨 제어 회로는 재생 속도에 기초하는 기준 레벨 제어 신호를 생성한다.  기준 레벨 신호 설정 회로는 기준 레벨 제어 신호에 따라 기준 레벨 신호의 레벨을 설정한다.
Patent KR-20000032953-A (KR)
Title: Method for reception path test
Inventor: KIM JEOM SIK
IPC: H04B17/00
Filed: 1998-11-18
Abstract: PURPOSE: A method for a reception path test is provided to prevent exact system performance test from not being made and to achieve the reliability for the system test. CONSTITUTION: A tap is installed at D16, D21 and D22(S1). The feedback value for the output of D23 and the outputs of D16, D21 and D22 are added(S2). The added output is supplied as the input of D17,D22 and D23 shift registers(S3). 512 bytes of the inputted data are stored in the memory inside of a demodulator after even second is started(S4). After being stored, a DSP(Digital Signal Processor) controls the demodulator(S5). After being controlled, the inputted data is compared with a previously inputted data (S6). After being compared, the feasibility of abnormal state for each bit is checked(S7).
Patent KR-19990045416-A (KR)
Title: 광 디스크
IPC: G11B11/105
Filed: 1998-11-19
Abstract: 본 발명의 광 디스크는, 광 입사면측에 투명 유전체막을 설치함으로써, 광 기록면에 형성된 광 기록막과 기판의 열팽창율의 차이에 의해 생기는 바이메탈 효과를 반대면측의 상기 투명 유전체막에 의해 억제하고, 온도 변화에 따른 휘어짐(tilt)량 변화를 억제한다.  또한, 상기 투명 유전체막의 굴절율을 최적화함에 따라, 다중 간섭에 의해 생기는 불필요한 반사를 동시에 저감시키는 것이다.
Patent KR-19990014589-A (KR)
Title: 에멀젼법을 이용한 리튬 2차전지의 양극활물질 재료의 분말 제조 방법
Filed: 1998-11-25
Abstract: 본 발명은 Li계 양극활물질의 재료를 제조함에 있어, 제 2차상이 공존하지않고 단일상을 합성으로 하여 전기화학적 특성을 향상시키는 에멀젼을 이용한 양극활물질 재료의 제조 방법에 관한 것으로, Li(M 1 M 2 )Mn 2 O 4 [M 1 , M 2 : Ni, Co, Al, Fe, Cu. V]으로 된 금속염 수용액을 얻는 공정, 상기 수용액에 계면활성제와 액막 강화제를 첨가하여 에멀젼화 하는 공정, 건조 및 하소하는 공정으로 이루어짐을 특징으로 하는 에멀젼을 이용한 2차전지 양극활물질 재료의 분말 제조 방법에 관한 기술이다.
Patent KR-20000034118-A (KR)
Title: Device of drain motor for washing machine
Inventor: JEONG SIN DEOK
IPC: D06F39/08
Filed: 1998-11-27
Abstract: PURPOSE: A device of drain motor for a washing machine is provided to fix an operating strand into the inside of the drain motor in a pulled state with a simple structure. CONSTITUTION: A device of drain motor(230) is arranged in the outer lower side of a water tank to operate a drain valve. The device of drain motor(230) is connected in the drain valve with an operating strand(231) as a medium and the device of drain motor(230) is connected in one end of the operating strand(231). A drain valve is connected in the other end. A link is combined in the middle of the operating strand(231). The device of drain motor is equipped a pulley(250) wound the one side of the operating strand(231), a drain motor for rotating the pulley and many decelerating portions installed between the drain motor and the pulley. The device of drain motor is arranged a hanging member and a hanging rod to maintain the operating strand(231) in the pulled state between the pulley and the outer link.
Patent KR-20000034343-A (KR)
Title: Structure of pdp television set
Inventor: KIM DONG KWUN
IPC: H04N5/64
Filed: 1998-11-30
Abstract: PURPOSE: A structure of PDP television set is provided to embody an auxiliary plate shielder on the front mask to absorb the residue electromagnetic wave and to suppress the wave. CONSTITUTION: A structure of PDP television set includes speakers(12), a filter(13), and a shielder(14). The stand type PDP television includes a front mask(1), a PDP(Plasma Display Panel) glass panel(3), a PCB panel(4), a back cover(5), and a stand(6). The speakers are implemented on inner sides of the front mask. The filter is implemented on the rear side of the front mask(1) and blocks the electromagnetic wave emitted from the glass panel(20). The shielder(14) seals the edge of the filter and absorbs the electromagnetic wave. The PDP glass panel includes a glass panel, back plates, an applier(23), and a heat sink. The back plates(22) are implemented on the rear side of the glass panel. The applier binds the rear side of the glass panel and a plurality of guide frames. The heat sink is implemented on the surface of the guide frames and cools the air.
Patent KR-19990062987-A (KR)
Title: 회로판 제조용 조성물
IPC: H05K3/38
Filed: 1998-12-11
Abstract: 본 발명은 금속 표면을 중합체 층에 후속 점착시키기 위하여 금속 표면의  조도(roughness)를 증가시킬 수 있는 처리 방법과 조성물에 관한 것이다. 이 조성물은 과산화수소, 무기산, 계면활성 기가 없는 아민 및 선택적으로 부식 억제제를 함유한다. 이 조성물은 용액 중에 계면활성제가 없는 것이 특징이다.
Patent KR-20000039893-A (KR)
Title: Touch panel circuit
Inventor: JEONG DAE HO
IPC: G06F3/00
Filed: 1998-12-16
Abstract: PURPOSE: A touch panel circuit is provided to raise a decomposing capacity by operating separately per a panel after dividing a touching point of a touch panel into plural sections, and to input a touch from plural points. CONSTITUTION: A touch panel circuit comprises a touch panel(10), a panel driver(20), a touch sensor(30), an output selector(40), and a touching point detector(50). The touch penal(10) separately inputs a touching by dividing a panel surface into the plural. The panel driver(20) drives to output a voltage, according to a resistor, by supplying a power with each panel surface divided of the touch panel(10). The touch sensor(30) selectively senses an output from each panel surface of the touch panel(10). The output selector(40) selectively controls the output from each panel surface of the touch panel(10). The touching point detector(50) estimates a point of panel surface touched by a voltage value outputted, if the touch panel is pressed, and a touching point of the whole touch panel.
Patent KR-20000045083-A (KR)
Title: Circuit board structure of semiconductor package and grounding method using circuit board
Inventor: KIM SUNG JIN
IPC: H05K9/00
Filed: 1998-12-30
Abstract: PURPOSE: A circuit board structure of a semiconductor package and grounding method using circuit board are provided to prevent the defect of the semiconductor package due to the accumulated static electricity. CONSTITUTION: A circuit board structure of a semiconductor package makes the static electricity generated during the fabrication process of the semiconductor package be discharged to the external of the circuit promptly, by grounding a grounding lead(3a) and a bus bar(4) of a flexible circuit board(2) attached to a non-conductive double-faced adhesion tape(5) to a carrier frame(1) directly. At least, more than one grounding space part(5a) are formed around a rectangular groove(1a) of the carrier frame so that the grounding lead and the bus bar are to be contacted to the carrier frame directly.
Patent KR-20000046055-A (KR)
Title: Device and method for creation of communication system's database
Inventor: KIM JEONG WUK
IPC: G06F17/30
Filed: 1998-12-31
Abstract: PURPOSE: A method for creation of communication system's database is disclosed to access communication system's database using a specific ID and to prevent overhead caused by application or database's comparison of word arrangement. CONSTITUTION: A method for creation of communication system's database is composed of interpretation, procession, initialization, and creation. Script parse(112) interprets database schema script(111), which has been prepared by the user, and the compiled image(113) is created. Database core(114) is a block that processes database service, and when executed it initializes database file with compiled image(115,116). Database tool(117) creates different types of database generation file(118), which is based on compiled image, that assists the application(119). The database tool creates a header file composed of specific ID.
Patent KR-20000046095-A (KR)
Title: Resin composition improved processing and extruding stability
Inventor: KIM JIN SOO
IPC: C08L55/02
Filed: 1998-12-31
Abstract: PURPOSE: A resin composition improved a processing and an extruding stability is provided which is useful to manufacture plastic goods expected a stagnation or a stay when it is processed and required a good appearance or a surface characteristic. CONSTITUTION: A resin composition improved a processing and an extruding stability contains 0.01-10 wt. pts. of amine compound to 100 wt.pts. of acronitrile-butadiene-styerne resin, wherein the amine compound is selected from the group of first, second and third amine or its derivatives.
Patent KR-20000046918-A (KR)
Title: Nontoxic and nonflammable rubber composition for floors to prevent static electricity
Inventor: LEE KYOUNG WON
IPC: C08L9/06
Filed: 1998-12-31
Abstract: PURPOSE: A rubber composition for floors which has a function of static electricity prevention, and of non-flammability without toxicity is provided by excluding a flame retardant of halogen class. CONSTITUTION: A rubber composition for floor tiles having static electricity prevention function as well as non-flammability is characterized by comprising: natural rubber and synthetic rubber, especially each styrenebutadiene rubber and acrylonitrile butadiene rubber or blending thereof as a raw material rubber, based on the weight of raw material rubber 100 parts, 0.5-20 parts by weight of polyethylene glycol, polyethylene glycol ester, 20-120 parts by weight of Al(OH)3, aluminium trihydroxide, 1-15 parts by weight of phosphorous plasticizer for example, isodecyl diphenyl phosphate, 20-150 parts by weight of antimony trioxide and silicone aluminum reinforcing agent, and 0.1-7 parts by weight of a silane coupling agent, for example (bis(3-triethoxy-silylpropyl)tetrasulfane).
Patent KR-19990044114-A (KR)
IPC: A61F2/30
Filed: 1996-08-21
Abstract: PCT No. PCT/EP96/03685 Sec. 371 Date Feb. 24, 1998 Sec. 102(e) Date Feb. 24, 1998 PCT Filed Aug. 21, 1996 PCT Pub. No. WO97/07754 PCT Pub. Date Mar. 6, 1997In an endoprosthesis including a ball-and-socket joint, the ball and a socket insert having a spherical surface are made of ceramic material. The opening edge of the socket is covered by a polyethylene protecting ring whose opening side is covered by a covering ring made of a resilient material. The inner edge of the protecting ring is appropriately covered by the protecting. The socket, the ceramic insert, the protective ring and the covering ring are configured so as to permit sliding of a ball seated in the socket and configured to conform to the spherical surface of said ceramic insert out of the endoprosthesis.
Patent KR-19990064301-A (KR)
Title: 너트와 록킹장치
IPC: B25B13/48
Filed: 1996-02-22
Abstract: 스핀들에 대한 회전하지 못하는 상태에서 스핀들에 너트를 고정시키는 스핀들 너트와 록킹장치들이 개시되어 있다. 그 어셈블리는 스핀들에 장착되는 스핀들 너트와 회전방지 스프링 및 스프링 지지 플레이트를 포함하여 구성된다. 상기 회전방지 스프링 및 스프링 지지 플레이트는 단일체로서 형성될 수도 있다.
Patent KR-19990037750-A (KR)
IPC: H04K1/00
Filed: 1999-01-12
Abstract: 본 발명은, 양방향 통신을 지원하는 통신 단말 장치에 있어서, 챌린지/레스펀스 프로토콜에 기반한 원격 인증 서비스를 제공하기 위해 챌린지값에 대응하는 레스펀스값을 발생하는 일회용 비밀번호(OTP; One Time Password) 기능을 내장시킴에 따라 일회용 비밀번호 생성 기능과 정상적인 통신 단말 장치의 기능을 일체화하여 챌린지/레스펀스 기반의 인증 절차를 수행하도록 한 챌린지/레스펀스 기반 일회용 비밀번호 생성 기능을 내장한 통신 단말 장치에 관한 것이다. 
     본 발명에 따르면, 사용자의 키입력을 최소화하여 원격 서비스에 대한 인증 처리의 편리성 및 고속성을 도모하며 기능 일체화에 따른 통합 관리에 의해 휴대가 용이하면서도 사용자의 진위에 대한 인증의 보안성 및 신뢰성을 향상시킬 수 있는 이점이 있다.
Patent KR-19990072341-A (KR)
Title: 화상형성장치
IPC: G03G15/08
Filed: 1999-02-01
Abstract: 본 발명은 광학센서와 제어장치를 갖는 검지제어 시스템을 구비한 화상형성장치에 관련된 것이다. 검지된 대상물은 반사광량에 일치하는 출력특성의 차이를 이용함으로서 인식된다. 따라서, 하나 혹은 그 이상으로 검지된 대상물들은 하나의 광학센서에 의해서 정확하게 검지되어 질수 있다.
Patent KR-20000074462-A (KR)
Inventor: PARK YONG IL
IPC: C10G1/00
Filed: 1999-05-21
Abstract: PURPOSE: An apparatus for recovering oil from styrofoam and waste vinyl chloride (foamed styrol resin) by decomposing the wastes using a thermal decomposition apparatus comprising an agitation shaft of an agitator and a safety valve is provided which is small, light weight, has low running cost and causes almost no environmental pollution. CONSTITUTION: In an apparatus for recovering oil from expended resins by a thermal decomposition method, the apparatus comprises an agitation shaft (15) of an agitator (14) equipped with a pair of impellers (19) for preventing lowering of condensing function and degradation of recovered oil, which is maintained to be higher than a resin solution dissolved in a cracking furnace (11) and to be lower than an outlet of organic vapor; and a safety valve (55) for measuring the discharging weight, controlling the introducing weight to the cracking furnace and the dissolved resin weight and preventing destruction of the cracking furnace by abnormal pressure rise. The inner pressure of the cracking furnace is maintained at 0 to 0.2 kg/cm¬2.
Patent KR-20000074502-A (KR)
Inventor: JUNG JAE YEONG
IPC: C22C38/44
Filed: 1999-05-21
Abstract: PURPOSE: A martensite stainless steel is provided to increase corrosion resistance and abrasion resistance of parts such as an impeller and a shaft for a boiler feed pump, thereby increasing the service life. CONSTITUTION: A martensite stainless steel is composed of carbon below 0.06 weight %, silicon below 2.0 weight %, manganese below weight %, nickel 1.0 to 6.0 weight %, chrome 10.0 to 19.0 weight %, molybdenum + tungsten 0.5 to 5.0 weight %, niobium below 0.8 weight %, vanadium below 0.8 weight %, copper below 3.0 weight %, nitrogen 0.02 to 0.25 weight %, and the rest such as iron and inevitable impurities.
Patent KR-20010001409-A (KR)
Inventor: SHIN JAE YEONG
IPC: B60Q9/00
Filed: 1999-06-04
Abstract: PURPOSE: A speed alarm device for a vehicle and a speed alarm method is provided to warn the excess of speed limit of a driver through an alarm sound by comparing the maximum speed limit of a road with the current speed. CONSTITUTION: A speed alarm device comprises: a GPS(Global Positioning System) receiving antenna(2) to receive an electric wave sent from a GPS satellite; a CD-room player to indicate map data registered on a CD-room according to the information received from the GPS receiving antenna; a speed sensor(4) to detect the speed; an alarm device to compare the maximum speed limit of a road received from the GPS receiving antenna with the current speed in a navigation ECU and to generate the alarm sound when the speed exceeds the maximum speed limit.
Patent KR-20010002349-A (KR)
Inventor: BAN BONG CHAN
IPC: C10L5/48
Filed: 1999-06-10
Abstract: PURPOSE: The title substitute material generated as a by-product in quenching process of coke in the manufacture of iron, capable of being used as raw material in the copper smelting process and having more excellent effect than conventional fine coal while having almost the same chemical composition as that of conventional fine coal is provided, which reduces the cost of production and energy costs and reutilizes dust only used as a recarburizer as high value-added resources. CONSTITUTION: Coke dust having a particle diameter of less than 0.5mm, generated as a by-product in quenching process of coke in the manufacture of iron and comprising 0.35 to 0.8% by weight of moisture, 10.5 to 12.3% by weight of ash, 0.85 to 1.1% by weight of a volatile component, 86.3 to 87.8% by weight of fixed carbon is used as fuel in the process of smelting copper.
Patent KR-20000016885-A (KR)
Inventor: TURNQUIST NORMAN ANOLD
IPC: F16J15/44
Filed: 1999-06-18
Abstract: PURPOSE: A revolving device is provided to prevent a labyrinth seal projection from damaging by the temporary radial movement of a rotor when starting a turbine. CONSTITUTION: The revolving device includes:a rotor(14) having a shaft which is extended lengthwise; a casing(16) arranged on the same shaft as the shaft to surround the rotor on the circumference and placed by radially separating itself from the rotor to include a circumferential inner channel which is arranged on the same shaft as the rotor by opening itself to the rotor; plural seal segments(22, 24, 26, 28, 30, 32) arranged on the circumference in the channel to be moved between the radial inner position and the outer position near the rotor and having a surface groove which is combined by facing the seal segment neighboring to the circumference against the circumference; and a elastic un-holed member(40) pressurizing the seal segment on the circumference.
Patent KR-20010004537-A (KR)
Inventor: LEE JEONG HA
IPC: G02F1/136
Filed: 1999-06-29
Abstract: PURPOSE: A liquid crystal display device is provided to prevent poor arrangement of a liquid crystal molecule and a short between a gate electrode and a source electrode of a thin film transistor. CONSTITUTION: The device includes a pixel electrode(20), organic thin films(13, 19), a source electrode(18b) and a gate electrode(12). The pixel electrode(20), which consists of ITO materials, is formed on the organic thin film(19) to be contacted with the exposed source electrode(18b). The organic thin film(13) is formed on the both sides of the gate electrode(12) and the difference of the step generated by the gate electrode(12) is removed and the short between the gate electrode(12) and the source electrode(18b) is prevented.
Patent KR-20010008912-A (KR)
Inventor: KWANG OCK WEON
IPC: H01Q1/24
Filed: 1999-07-06
Abstract: PURPOSE: An antenna of a cellular phone is provided to easily extend an antenna when a user wants to extend the antenna while the cellular phone is being used. CONSTITUTION: An engaging section having a screw portion in the interior thereof on one side of the lower end of a body(10) of a cellular phone is formed. A holder(14) to which an antenna(14) is inserted to support the holder(14) is engaged with the engaging section. The antenna is protruded towards the lower portion in the state the holder(14) is inserted. A connecting portion of a flip is engaged with the lower end of the body to open and close the flip. An inserting hole is linearly formed towards the free end side from the connecting portion of the body of the flip. An antenna is inserted into the insertion hole.
Patent KR-20010009855-A (KR)
Inventor: NAM DONG SU
IPC: H04N1/31
Filed: 1999-07-14
Abstract: PURPOSE: A device for arranging documents of a facsimile is provided to compensate an inclination of the documents before the documents are conveyed to a reading module, so as to prevent the deterioration of images of a receiving party. CONSTITUTION: A two-stage decelerating gear(10) is rotated counterclockwise by a driving gear(6). One-stage gear(11) is toothed with the driving gear(6) of a driving motor. First and second swing gears(20,30) are toothed with a two-stage gear(12) of the decelerating gear(10), and selectively toothed with a white roller gear(4a) or a pickup roller gear(1a) while revolving on the two-stage gear(12) of the two-stage decelerating gear(10). And a controller changes a rotative direction of the driving motor according to the position of documents, to control the temporary suspension of a white roller(4).
Patent KR-20010010482-A (KR)
Inventor: CHOI GYEONG O
IPC: G06F3/147
Filed: 1999-07-20
Abstract: PURPOSE: A screen regulating device and a method for an LCD are provided to convert the frequency and phase of a sampling clock signal used n converting an externally applied analog video signal into a digital signal to sustain an optimum screen condition. CONSTITUTION: The screen regulating device and method for an LCD comprises an A/D converter(110), a graphic controller(120), a data generator(130), a microcomputer(140) and a PLL circuit(100). The PLL circuit(100) converts the frequency of a sampling clock signal in response to an externally applied control signal. The A/D converter(110) converts an analog video signal input from an external computer into a digital signal. The graphic controller(120) scales the converted digital signal to display an image signal on a display panel. The data generator(130) calculates the difference between adjacent two video signals and add the calculated value to generate the first comparison signal. The microcomputer(140) controls overall system.
Patent KR-20000011985-A (KR)
Inventor: NAKAIKI YOMU
IPC: A47L9/32
Filed: 1999-07-27
Abstract: PURPOSE: A small and light nozzle unit for an electric vacuum cleaner is provided to improve suction efficiency and to use easily when cleaning. CONSTITUTION: The vacuum cleaner is composed of:a nozzle unit(8) keeping by contacting on the cleaned face for dust suction; an extending pipe(6) connected to the nozzle unit; a hose(3) connecting the extending pipe to the body of the electric vacuum cleaner; and a handle of which at least one angle is formed to be variable to the extending pipe. Also, the connecting member is arranged between the extending pipe and the hose, and the handle is formed in a hollow cylinder shape to be rotatively put into the connecting member. When the extending pipe is removed from the connecting member, the handle is rotated to the one part of the connecting member that is connected to penetrate the extending pipe and the hose.